简单sql问题 小弟不会 下班结帖
- SQL code
select distinct a.*,b.LT_TEAMGROUP,c.li_name from TM_ORDER as a inner join LI_TM_CYCLETIME as b on a.TO_TEAM_ID=b.LT_ID LEFT join LI_LINEPRODUCT as c on a.TO_LINE_ID=c.LI_ID order by a.TO_ID desc
我想把上面的一个sql改成 以TM_ORDER 做为主表 查询的时候只要根据TM_ORDER 表条件查询就行 请问高手怎么改? thanks
[解决办法]
直接在where后面加条件不就行了吗??没明白意思。
[解决办法]
直接在where后面加条件不就行了吗??没明白意思。
[解决办法]
- SQL code
--楼主是不是想用left join进行联接select distinct a.*,b.LT_TEAMGROUP,c.li_name from TM_ORDER as a left join LI_TM_CYCLETIME as b on a.TO_TEAM_ID=b.LT_ID LEFT join LI_LINEPRODUCT as c on a.TO_LINE_ID=c.LI_ID order by a.TO_ID desc
[解决办法]
- SQL code
--楼主是不是想用left join进行联接select distinct a.*,b.LT_TEAMGROUP,c.li_name from TM_ORDER as a left join LI_TM_CYCLETIME as b on a.TO_TEAM_ID=b.LT_ID LEFT join LI_LINEPRODUCT as c on a.TO_LINE_ID=c.LI_ID order by a.TO_ID desc
[解决办法]
这样?
- SQL code
select distinct a.*,b.LT_TEAMGROUP,c.li_name from TM_ORDER as a left join LI_TM_CYCLETIME as b on a.TO_TEAM_ID=b.LT_ID LEFT join LI_LINEPRODUCT as c on a.TO_LINE_ID=c.LI_ID order by a.TO_ID desc
[解决办法]
[解决办法]
这样?
- SQL code
select distinct a.*,b.LT_TEAMGROUP,c.li_name from TM_ORDER as a inner join LI_TM_CYCLETIME as b on a.TO_TEAM_ID=b.LT_ID LEFT join LI_LINEPRODUCT as c on a.TO_LINE_ID=c.LI_IDwhere a.column='条件' order by a.TO_ID desc